Control box cover for a water heater



FIG. 1 is a front elevation view of a water heater having mounted thereon a control box cover according to the present invention;

FIG. 2 is a front elevation view of a control box cover according to the present invention;

FIG. 3 is a side elevation view of the control box cover of FIG. 2, the opposite side elevation being a mirror image of the elevation of FIG. 3;

FIG. 4 is a top view of the control box cover of FIG. 2; and,

FIG. 5 is a bottom view of the control box cover of FIG. 2.

The broken line showing of the water heater in FIG. 1 is included for the purpose of illustrating environmental structure only and forms no part of the claimed design. 

The ornamental design for a control box cover for a water heater, as shown and described. 